CN210915723U - Processing system of black and odorous water body - Google Patents
Processing system of black and odorous water body Download PDFInfo
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- CN210915723U CN210915723U CN201920408891.2U CN201920408891U CN210915723U CN 210915723 U CN210915723 U CN 210915723U CN 201920408891 U CN201920408891 U CN 201920408891U CN 210915723 U CN210915723 U CN 210915723U
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Abstract
The embodiment of the utility model provides a processing system of black and odorous water body, the system includes: a water inlet pool, an ozone generator, at least one oxidation tower, an MABR reactor, a water outlet pool and a tail gas destruction device. The utility model discloses combine together ozone catalytic oxidation device and Membrane Aeration Bioreactor (MABR), not only effectual degradation the pollutant in the black and odorous water body, moreover, realized the reutilization of resource, reached energy saving, reduced the effect of waste water treatment cost.
Description
Technical Field
The utility model relates to a waste water treatment technical field especially relates to a processing system of black and odorous water body.
Background
Ozone Catalytic Oxidation Technology (OCOT) is one of advanced Oxidation technologies, and because it decomposes under the action of a catalyst and a synergistic oxidant to generate hydroxyl radicals (OH), the OH degrades nondegradable pollutants in wastewater indiscriminately, thereby achieving the purposes of reducing the COD value of wastewater and improving the biodegradability of wastewater, and simultaneously having no secondary pollution, and being widely popularized in the field of advanced treatment of industrial wastewater.
Membrane Aerated Bioreactor (MABR) is a wastewater treatment process that uses a gas permeable Membrane to provide oxygen for aeration. In the process, air enters the black and odorous water body in a dissolved and diffused or micro-bubble/bubble-free mode, so that the utilization rate of oxygen in the air is improved. In addition, the air-permeable membrane has a large specific surface area, is a good carrier of microorganisms, is loaded on a microorganism layer on the surface of the membrane, can realize synchronous nitrification and denitrification reaction on the black and odorous water body, and has the capability of efficiently removing pollutants such as nitrogen and phosphorus in the black and odorous water body compared with the traditional biofilm method.
The existing ozone catalytic oxidation device can utilize the coupling of ozone catalytic oxidation and biochemical reaction to remove organic pollutants in the black and odorous water body, but the ozone existing in the tail gas of the device can kill microorganisms in the biochemical reactor, thereby influencing the effect of the device on treating the black and odorous water body. The conventional MABR uses air as a gas source, and the low oxygen content of the conventional MABR also affects the working efficiency of the reactor for treating black and odorous water.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a processing system of black smelly water for the pollutant in the black smelly water of degradation. The specific technical scheme is as follows:
the utility model provides a processing system of black and odorous water body, the system includes: the system comprises a water inlet pool, an ozone generator, at least one oxidation tower, an MABR reactor, a water outlet pool and a tail gas destruction device;
the water inlet pool is provided with a water outlet;
the oxidation tower is provided with a water inlet, a water outlet and a gas outlet; the water outlet of the water inlet pool is communicated with the water inlet of the oxidation tower through a pipeline;
an aeration device is arranged at the bottom of the oxidation tower; the aeration device is communicated with the air outlet of the ozone generator through a pipeline;
the MABR reactor is provided with a water inlet, a water outlet, a backflow water inlet, a gas inlet and a gas outlet; the water inlet of the MABR reactor is communicated with the water outlet of the oxidation tower through a pipeline;
the water outlet pool is provided with a water inlet and a return water outlet; the water inlet of the water outlet pool is communicated with the water outlet of the MABR through a pipeline; the backflow water outlet of the water outlet pool is communicated with the backflow water inlet of the MABR through a pipeline;
a backflow water pump is further arranged on a pipeline between the backflow water outlet of the water outlet pool and the backflow water inlet of the MABR reactor;
the tail gas destruction device is provided with a gas inlet and a gas outlet, and the gas inlet of the tail gas destruction device is communicated with the gas outlet of the oxidation tower through a pipeline; the gas outlet of the tail gas destruction device is communicated with the gas inlet of the MABR through a pipeline;
the oxidation tower is filled with a catalyst and is used for catalyzing the ozone oxidation reaction of the black and odorous water body in the oxidation tower;
a membrane module is arranged in the MABR; the membrane module is loaded with microorganisms.
In some embodiments of the present invention, a water inlet pump is disposed on the pipeline between the water outlet of the water inlet tank and the water inlet of the oxidation tower.
In some embodiments of the present invention, an air pump is disposed on the pipeline between the air outlet of the exhaust gas destruction device and the air inlet of the MABR reactor.
In some embodiments of the invention, the system further comprises an air compressor; and the air outlet of the air compressor is communicated with the air inlet of the MABR reactor through a pipeline.
In some embodiments of the present invention, a gas flow meter is disposed on a pipeline between the gas outlet of the ozone generator and the aeration device of the oxidation tower.
In some embodiments of the present invention, a partition is further disposed in the oxidation tower for supporting the catalyst loaded in the oxidation tower.
In some embodiments of the invention, the system comprises two oxidation towers in series.
In some embodiments of the present invention, the exhaust destruction device is selected from any one of a heating type ozone exhaust destruction device, a catalytic decomposition type ozone exhaust destruction device, and an adsorption type ozone exhaust destruction device.
The embodiment of the utility model provides a processing system of black and odorous water body combines together ozone catalytic oxidation device and Membrane Aeration Bioreactor (MABR), utilizes ozone catalytic oxidation reaction to degrade the pollutant in the black and odorous water body earlier, improves the biodegradability of water body; and then converting the ozone which does not participate in the reaction in the catalytic oxidation reaction of the ozone into oxygen by using a tail gas destruction device to serve as an air source of the MABR, and further removing ammonia nitrogen in the black and odorous water body by using microorganisms loaded on a membrane component in the MABR. The method not only effectively degrades pollutants in the black and odorous water body, but also realizes the secondary utilization of resources, and achieves the effects of saving energy and reducing the wastewater treatment cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a black and odorous water body treatment system provided by an embodiment of the present invention;
wherein, 1-a water inlet pool; 2-a water inlet pump; 3-a first oxidation column; 4-a second oxidation column; 5-a catalyst; 6-a separator; 7-an aeration device; 8-MABR reactor; 9-a membrane module; 10-a water outlet pool; 11-a reflux water pump; 12-an ozone generator; 13-a gas flow meter; 14-a tail gas destruction unit; 15-an air pump; 16-air compressor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a processing system of black and odorous water body, as shown in figure 1, include: a water inlet tank 1, an ozone generator 12, at least one oxidation tower, an MABR reactor 8, a water outlet tank 10 and a tail gas destruction device 14;
the water inlet tank 1 is provided with a water outlet;
the oxidation tower is provided with a water inlet, a water outlet and a gas outlet; the water outlet of the water inlet pool 1 is communicated with the water inlet of the oxidation tower through a pipeline;
in some embodiments of the present invention, the water outlet of the oxidation tower is higher than the water inlet of the oxidation tower;
an aeration device 7 is arranged at the bottom of the oxidation tower; the aeration device 7 is communicated with the air outlet of the ozone generator 12 through a pipeline;
the MABR reactor 8 is provided with a water inlet, a water outlet, a backflow water inlet, a gas inlet and a gas outlet; a water inlet of the MABR reactor 8 is communicated with a water outlet of the oxidation tower through a pipeline;
in some embodiments of the present invention, the water outlet of the MABR reactor 8 is higher than the return water inlet of the MABR reactor 8;
the water outlet pool 10 is provided with a water inlet and a return water outlet; the water inlet of the water outlet pool 10 is communicated with the water outlet of the MABR reactor 8 through a pipeline; a backflow water outlet of the water outlet pool 10 is communicated with a backflow water inlet of the MABR reactor 8 through a pipeline;
a return water pump 11 is also arranged on a pipeline between the return water outlet of the water outlet pool 10 and the return water inlet of the MABR reactor 8;
in some embodiments of the present invention, the water inlet of the water outlet pool 10 is higher than the return water outlet of the water outlet pool 10;
in some embodiments of the present invention, the water outlet pool 10 is further provided with a water outlet; an on-line Chemical Oxygen Demand (COD) tester (not shown in the figure) is installed at the water outlet and is used for detecting the COD value of the water body flowing out of the water outlet pool 10.
The tail gas destruction device 14 is provided with a gas inlet and a gas outlet, and the gas inlet of the tail gas destruction device 14 is communicated with the gas outlet of the oxidation tower through a pipeline; the gas outlet of the tail gas destruction device 14 is communicated with the gas inlet of the MABR reactor 8 through a pipeline; the tail gas destruction device 14 is used for converting the ozone which does not participate in the reaction after the catalytic oxidation reaction of the ozone in the oxidation tower into oxygen, and introducing the oxygen into the MABR reactor 8 to be used as a gas source of the MABR reactor;
the oxidation tower is filled with a catalyst 5 for catalyzing the ozone oxidation reaction of the black and odorous water body in the oxidation tower;
in some embodiments of the present invention, the packing form of the catalyst 5 is selected from any one of a fixed bed and a fluidized bed; the catalyst 5 is selected from any one of activated alumina balls, ceramic particles, activated carbon and zeolite.
A membrane module 9 is arranged in the MABR and is used for mass transfer of gas in the MABR; the membrane module 9 is loaded with microorganisms.
It should be noted that the ozone generator 12, the oxidation tower, the MABR reactor 8 and the tail gas destruction device 14 adopted in the present invention are all the prior art, and therefore, the working principle thereof is easily determined by those skilled in the art, and the present invention is not described herein in detail.
In some embodiments of the present invention, a water inlet pump 2 is disposed on the pipeline between the water outlet of the water inlet tank 1 and the water inlet of the oxidation tower.
In some embodiments of the present invention, an air pump 15 is disposed on the pipeline between the air outlet of the tail gas destruction device 14 and the air inlet of the MABR reactor 8, for pumping the oxygen generated by the tail gas destruction device 14 into the MABR reactor 8.
In some embodiments of the present invention, an ozone concentration detector (not shown) is further disposed on the pipeline between the gas outlet of the tail gas destruction device 14 and the air inlet of the MABR reactor 8, and the ozone concentration detector is used to detect the concentration of ozone in the gas discharged from the gas outlet of the tail gas destruction device 14.
In some embodiments of the present invention, the system further comprises an air compressor 16 for supplying air to the MABR reactor 8 when the flow of the exhaust gas from the exhaust gas destruction device 14 is insufficient or the exhaust gas contains ozone; the air outlet of the air compressor 16 is in communication with the air inlet of the MABR reactor 8 via a conduit.
In some embodiments of the present invention, the gas outlet of the air compressor 16 is in communication with the gas outlet of the exhaust gas destruction device 14 and the gas inlet of the MABR reactor 8 via a pipe.
In some embodiments of the present invention, a gas flow meter 13 is disposed on the pipeline between the gas outlet of the ozone generator 12 and the aeration device 7 of the oxidation tower, for measuring the gas flow of ozone entering the oxidation tower.
In some embodiments of the present invention, a control valve (not shown in the figure) is further disposed on the pipeline between the gas outlet of the ozone generator 12 and the aeration device 7 of the oxidation tower, for controlling the gas flow of the ozone entering the oxidation tower, so as to optimize the catalytic oxidation reaction effect of the ozone in the oxidation tower.
In some embodiments of the present invention, a partition plate 6 is further disposed in the oxidation tower; the partition plate 6 is used for supporting the catalyst 5 filled in the oxidation tower, and can also prevent the catalyst 5 from falling to the aeration device 7, so that the aeration device 7 is prevented from being blocked; the partition 6 is provided with a plurality of through holes so that the waste water can be in contact with the catalyst 5 through the partition.
In some embodiments of the present invention, the system comprises two oxidation towers in series, namely a first oxidation tower 3 and a second oxidation tower 4; the water outlet of the water inlet pool 1 is communicated with the water inlet of the first oxidation tower 3 through a pipeline; the water outlet of the first oxidation tower 3 is communicated with the water inlet of the second oxidation tower 4 through a pipeline; and the water outlet of the second oxidation tower 4 is communicated with the water inlet of the MABR reactor 8 through a pipeline.
In some embodiments of the present invention, the exhaust destruction device 14 is selected from any one of a heating type ozone exhaust destruction device, a catalytic decomposition type ozone exhaust destruction device, and an adsorption type ozone exhaust destruction device.
Use the utility model provides a method of black and odorous water body is handled to system, include:
(1) the catalytic oxidation process of ozone: the black and odorous water to be treated in the water inlet pool 1 enters the oxidation tower, and meanwhile, the ozone in the ozone generator 12 enters the oxidation tower through the aeration device 7 and is in full contact reaction with the catalyst 5 in the oxidation tower to degrade pollutants in the black and odorous water; the black and odorous water to be treated flows into the MABR reactor 8 after being subjected to catalytic oxidation reaction of ozone in the oxidation tower;
(2) the membrane aeration biological reaction process comprises the following steps: the black and odorous water subjected to the catalytic oxidation reaction of ozone is in contact reaction with the membrane component 9 in the MABR reactor 8, pollutants in the water are further degraded by microorganisms loaded on the membrane component 9, and the water treated by the membrane component flows into the water outlet pool 10.
In some embodiments of the present invention, when the system includes two oxidation towers connected in series, namely, the first oxidation tower 3 and the second oxidation tower 4, the black and odorous water to be treated in the water inlet tank 1 enters the first oxidation tower 3, and simultaneously, the ozone in the ozone generator 12 enters the first oxidation tower 3 through the aeration device 7, and fully contacts and reacts with the catalyst 5 in the first oxidation tower 3 to degrade the pollutants in the black and odorous water; the water body treated by the first oxidation tower 3 enters the second oxidation tower 4 through a pipeline, meanwhile, the ozone in the ozone generator 12 enters the second oxidation tower 4 through the aeration device 7 and is in full contact reaction with the catalyst 5 in the second oxidation tower 4, and pollutants in the black and odorous water body are further degraded; the black and odorous water to be treated flows into the MABR reactor 8 after being subjected to catalytic oxidation reaction of ozone in the second oxidation tower 4;
in some embodiments of the present invention, when the on-line COD tester measures that the COD value of the water body flowing out from the water outlet of the water outlet pool 10 is greater than 50mg/L, the reflux water pump 11 is opened to enable the water body in the water outlet pool 10 to reflux to the MABR reactor 8 for reprocessing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. A black and odorous water body treatment system, comprising: the system comprises a water inlet pool, an ozone generator, at least one oxidation tower, an MABR reactor, a water outlet pool and a tail gas destruction device;
the water inlet pool is provided with a water outlet;
the oxidation tower is provided with a water inlet, a water outlet and a gas outlet; the water outlet of the water inlet pool is communicated with the water inlet of the oxidation tower through a pipeline;
an aeration device is arranged at the bottom of the oxidation tower; the aeration device is communicated with the air outlet of the ozone generator through a pipeline;
the MABR reactor is provided with a water inlet, a water outlet, a backflow water inlet, a gas inlet and a gas outlet; the water inlet of the MABR reactor is communicated with the water outlet of the oxidation tower through a pipeline;
the water outlet pool is provided with a water inlet and a return water outlet; the water inlet of the water outlet pool is communicated with the water outlet of the MABR through a pipeline; the backflow water outlet of the water outlet pool is communicated with the backflow water inlet of the MABR through a pipeline;
a backflow water pump is further arranged on a pipeline between the backflow water outlet of the water outlet pool and the backflow water inlet of the MABR reactor;
the tail gas destruction device is provided with a gas inlet and a gas outlet, and the gas inlet of the tail gas destruction device is communicated with the gas outlet of the oxidation tower through a pipeline; the gas outlet of the tail gas destruction device is communicated with the gas inlet of the MABR through a pipeline;
the oxidation tower is filled with a catalyst and is used for catalyzing the ozone oxidation reaction of the black and odorous water body in the oxidation tower;
a membrane module is arranged in the MABR; the membrane module is loaded with microorganisms.
2. The black and odorous water body treatment system according to claim 1, wherein a water inlet pump is provided on a pipe between the water outlet of the water inlet tank and the water inlet of the oxidation tower.
3. The black and odorous water body treatment system according to claim 1, wherein an air pump is provided on a pipe between an air outlet of the tail gas destruction device and an air inlet of the MABR reactor.
4. The black odorous water body treating system according to claim 1, further comprising an air compressor; and the air outlet of the air compressor is communicated with the air inlet of the MABR reactor through a pipeline.
5. The black and odorous water body treatment system according to claim 1, wherein a gas flow meter is provided in a pipe between an air outlet of the ozone generator and the aeration device of the oxidation tower.
6. The black and odorous water treatment system of claim 1, wherein a partition is further arranged in the oxidation tower and used for supporting the catalyst filled in the oxidation tower.
7. The black and odorous water body treatment system according to claim 1, wherein the system comprises two oxidation towers connected in series.
8. The system for treating a black and odorous water body according to any one of claims 1 to 7, wherein the exhaust gas destruction device is selected from any one of a heating type ozone exhaust gas destruction device, a catalytic decomposition type ozone exhaust gas destruction device, and an adsorption type ozone exhaust gas destruction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408891.2U CN210915723U (en) | 2019-03-28 | 2019-03-28 | Processing system of black and odorous water body |
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| CN201920408891.2U CN210915723U (en) | 2019-03-28 | 2019-03-28 | Processing system of black and odorous water body |
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| CN210915723U true CN210915723U (en) | 2020-07-03 |
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| CN201920408891.2U Expired - Fee Related CN210915723U (en) | 2019-03-28 | 2019-03-28 | Processing system of black and odorous water body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002667A (en) * | 2019-03-28 | 2019-07-12 | 知合环境（北京）有限责任公司 | A kind of processing system and method for black and odorous water |
| US20220356080A1 (en) * | 2020-11-18 | 2022-11-10 | Syracuse University | On-site destruction of recalcitrant perfluoroalkyl substances by molecular sieves |
-
2019
- 2019-03-28 CN CN201920408891.2U patent/CN210915723U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002667A (en) * | 2019-03-28 | 2019-07-12 | 知合环境（北京）有限责任公司 | A kind of processing system and method for black and odorous water |
| US20220356080A1 (en) * | 2020-11-18 | 2022-11-10 | Syracuse University | On-site destruction of recalcitrant perfluoroalkyl substances by molecular sieves |
| US11945732B2 (en) * | 2020-11-18 | 2024-04-02 | Syracuse University | On-site destruction of recalcitrant perfluoroalkyl substances by molecular sieves |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210909 Address after: Room 1307, No. 600, Zhujiang Road, Xuanwu District, Nanjing, Jiangsu 210018 Patentee after: Nanjing Zeming Environmental Engineering Co.,Ltd. Patentee after: Shenzhen carbon star Water Technology Co.,Ltd. Address before: 100039 room 615, 6th floor, 24 Yongding Road, Haidian District, Beijing Patentee before: Zeming Environmental Development Co.,Ltd. Patentee before: Nanjing Zhihua Ecological Environment Technology Research Institute Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |